codecourse.com - dns.ninja

`codecourse.com`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3120::^{🇺🇸 Cloudflare2a06:98c1:3120::/48} ✓ In HTTPS hints
A	2a06:98c1:3121::^{🇺🇸 Cloudflare2a06:98c1:3121::/48} ✓ In HTTPS hints
A	188.114.96.0^{🇳🇱 Cloudflare188.114.96.0/24} ✓ In HTTPS hints
A	188.114.97.0^{🇳🇱 Cloudflare188.114.97.0/24} ✓ In HTTPS hints
NS	`gerald.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gerald.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gerald.ns.cloudflare.com`
		A	108.162.193.168^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	172.64.33.168^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
		A	173.245.59.168^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gerald.ns.cloudflare.com`
NS	`maria.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maria.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maria.ns.cloudflare.com`
		A	108.162.192.192^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	172.64.32.192^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
		A	173.245.58.192^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maria.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`google-site-verification=8my58J2ozNKN8L2YSP9PHtamF7pFlf5INqJnYAb4TnI`
TXT	`google-site-verification=HIVs0mRh29pBuEHbE5GwkfCxKbNVqiDA9AlFZGP37GM`
TXT	`google-site-verification=to6zCrbFuhMJV7jnsHeCZR4ZMH4N9WB4IABV92zW9fs`
TXT	`v=spf1 include:spf.messagingengine.com include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	188.114.96.0, 188.114.97.0
		IPv6 hints	2a06:98c1:3120::, 2a06:98c1:3121::
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=69, name=cloudflare-ech.com
SOA	`gerald.ns.cloudflare.com`dns@cloudflare.com serial=2404542421

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780937506

rank #564252 globally
rank #244735 in the tld
WOT: SAFE (62/100)

Subdomains

www.codecourse.com

Same first word

codecourse.com

codecourse.net

codecourse.org

Similar names

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sourcecode.hu

DNS History

35 records (11 active, 24 former)

●NSgerald.ns.cloudflare.com2026-02-16 → 2026-06-08 · 3 obs

○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

○NSian.ns.cloudflare.com2015-05-31 → 2021-05-12 · 4 obs

● 2015-05-31 13:43:22
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

●NSmaria.ns.cloudflare.com2026-02-16 → 2026-06-08 · 3 obs

○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

○NSolga.ns.cloudflare.com2015-05-31 → 2021-05-12 · 4 obs

● 2015-05-31 13:43:22
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

●MXalt1.aspmx.l.google.com2015-05-31 → 2026-06-08 · 5 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

●MXalt2.aspmx.l.google.com2015-05-31 → 2026-06-08 · 5 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

●MXalt3.aspmx.l.google.com2015-05-31 → 2026-06-08 · 5 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

●MXalt4.aspmx.l.google.com2015-05-31 → 2026-06-08 · 5 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

●MXaspmx.l.google.com2015-05-31 → 2026-06-08 · 5 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-06-08 16:58:30

○MXin1-smtp.messagingengine.com2015-10-18 → 2021-05-12 · 5 obs

○ 2015-05-31 13:43:22
● 2015-10-18 21:41:28
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○MXin2-smtp.messagingengine.com2015-10-18 → 2021-05-12 · 5 obs

○ 2015-05-31 13:43:22
● 2015-10-18 21:41:28
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A104.21.54.2512026-02-16 → 2026-06-06 · 25 obs

○ 2021-05-12 02:32:28
● 2026-02-16 13:48:40
● 2026-03-02 16:15:24
○ 2026-03-03 14:37:58
● 2026-03-09 19:01:10
● 2026-03-12 05:49:34
○ 2026-03-14 17:29:30
● 2026-03-22 15:00:06
● 2026-04-14 18:02:38
○ 2026-04-23 03:01:48
● 2026-04-23 05:17:32
● 2026-04-28 16:04:48
○ 2026-04-30 07:10:10
● 2026-05-01 02:18:28
○ 2026-05-04 13:22:24
● 2026-05-06 09:15:16
● 2026-05-10 01:38:48
○ 2026-05-12 00:38:00
● 2026-05-17 19:56:26
● 2026-05-21 19:25:54
○ 2026-05-24 23:17:58
● 2026-05-27 21:50:18
● 2026-06-06 10:05:46
○ 2026-06-08 16:18:04
○ 2026-06-08 16:58:30

○A104.24.16.612015-10-18 → 2016-03-17 · 5 obs

○ 2015-05-31 13:43:22
● 2015-10-18 21:41:28
● 2016-03-17 01:52:20
○ 2017-01-08 09:12:50
○ 2026-06-08 16:58:30

○A104.24.17.612015-10-18 → 2016-03-17 · 5 obs

○ 2015-05-31 13:43:22
● 2015-10-18 21:41:28
● 2016-03-17 01:52:20
○ 2017-01-08 09:12:50
○ 2026-06-08 16:58:30

○A104.25.98.332017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-17 01:52:20
● 2017-01-08 09:12:50
○ 2020-05-24 22:55:44
○ 2026-06-08 16:58:30

○A104.25.99.332017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-17 01:52:20
● 2017-01-08 09:12:50
○ 2020-05-24 22:55:44
○ 2026-06-08 16:58:30

○A104.26.6.672020-05-24 → 2021-05-12 · 5 obs

○ 2017-01-08 09:12:50
● 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A104.26.7.672020-05-24 → 2021-05-12 · 5 obs

○ 2017-01-08 09:12:50
● 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A104.28.24.662015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2026-06-08 16:58:30

○A104.28.25.662015-05-31 → 2015-05-31 · 3 obs

● 2015-05-31 13:43:22
○ 2015-10-18 21:41:28
○ 2026-06-08 16:58:30

○A172.67.143.1912026-02-16 → 2026-06-06 · 25 obs

○A172.67.74.192021-05-12 → 2021-05-12 · 4 obs

○ 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

●A188.114.96.02026-03-03 → 2026-06-08 · 23 obs

○ 2026-03-02 16:15:24
● 2026-03-03 14:37:58
○ 2026-03-09 19:01:10
○ 2026-03-12 05:49:34
● 2026-03-14 17:29:30
○ 2026-03-22 15:00:06
○ 2026-04-14 18:02:38
● 2026-04-23 03:01:48
○ 2026-04-23 05:17:32
○ 2026-04-28 16:04:48
● 2026-04-30 07:10:10
○ 2026-05-01 02:18:28
● 2026-05-04 13:22:24
○ 2026-05-06 09:15:16
○ 2026-05-10 01:38:48
● 2026-05-12 00:38:00
○ 2026-05-17 19:56:26
○ 2026-05-21 19:25:54
● 2026-05-24 23:17:58
○ 2026-05-27 21:50:18
○ 2026-06-06 10:05:46
● 2026-06-08 16:18:04
● 2026-06-08 16:58:30

●A188.114.97.02026-03-03 → 2026-06-08 · 23 obs

○A2400:cb00:2048:1::6818:103d2016-03-17 → 2016-03-17 · 4 obs

○ 2015-10-18 21:41:28
● 2016-03-17 01:52:20
○ 2017-01-08 09:12:50
○ 2026-06-08 16:58:30

○A2400:cb00:2048:1::6818:113d2016-03-17 → 2016-03-17 · 4 obs

○ 2015-10-18 21:41:28
● 2016-03-17 01:52:20
○ 2017-01-08 09:12:50
○ 2026-06-08 16:58:30

○A2400:cb00:2048:1::6819:62212017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-17 01:52:20
● 2017-01-08 09:12:50
○ 2020-05-24 22:55:44
○ 2026-06-08 16:58:30

○A2400:cb00:2048:1::6819:63212017-01-08 → 2017-01-08 · 4 obs

○ 2016-03-17 01:52:20
● 2017-01-08 09:12:50
○ 2020-05-24 22:55:44
○ 2026-06-08 16:58:30

○A2606:4700:20::681a:6432020-05-24 → 2021-05-12 · 5 obs

○ 2017-01-08 09:12:50
● 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A2606:4700:20::681a:7432020-05-24 → 2021-05-12 · 5 obs

○ 2017-01-08 09:12:50
● 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A2606:4700:20::ac43:4a132021-05-12 → 2021-05-12 · 4 obs

○ 2020-05-24 22:55:44
● 2021-05-12 02:32:28
○ 2026-02-16 13:48:40
○ 2026-06-08 16:58:30

○A2606:4700:3031::ac43:8fbf2026-02-16 → 2026-06-06 · 25 obs

○A2606:4700:3032::6815:36fb2026-02-16 → 2026-06-06 · 25 obs

●A2a06:98c1:3120::2026-03-03 → 2026-06-08 · 23 obs

●A2a06:98c1:3121::2026-03-03 → 2026-06-08 · 23 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
codecourse.com	gerald.ns.cloudflare.com, maria.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.192

NS records: gerald.ns.cloudflare.com, maria.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codecourse.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.191, 104.21.54.251`
AAAA	2	`2606:4700:3031::ac43:8fbf, 2606:4700:3032::6815:36fb`
NS	2	`gerald.ns.cloudflare.com, maria.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	4	`google-site-verification=8my58J2ozNKN8L2, google-site-verification=HIVs0mRh29pBuEH...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gerald.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gerald.ns.cloudflare.com, gerald.ns.cloudflare.com, gerald.ns.cloudflare.com...)

Analysis

Hierarchy

www.codecourse.com is delegated beneath codecourse.com.

IP Addresses

codecourse.com points to 4 IP addresses — 188.114.96.0, 188.114.97.0, 2a06:98c1:3120:: and 2a06:98c1:3121::.

9gbra2.com, tresawesome.com, ilknowhow.com plus two other host names have IP numbers in common with codecourse.com.

Name Servers

DNS delegation for codecourse.com points to two name servers: gerald.ns.cloudflare.com and maria.ns.cloudflare.com.

The name server configuration of codecourse.com is shared with other domains, for instance renodecodesign.com, pat-drill.com, notebookspec.com and two others.

There is at least partial name server overlap between codecourse.com and other domains — kaodigital.com.ar, martinencabodentistas.com, kuriname.com and two more among them.

These name servers are routinely deployed together with the name servers sharon.ns.cloudflare.com.

Hosts with 6 IP addresses each:

gerald.ns.cloudflare.com maps to six IP addresses: 108.162.193.168, 172.64.33.168, 173.245.59.168 and three others.

maria.ns.cloudflare.com maps to six IP addresses: 108.162.192.192, 172.64.32.192, 173.245.58.192 and three others.

Mail Servers

Mail for codecourse.com is routed through 5 mail servers, including aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by codecourse.com are shared with other domains: bellagloaesthetics.com, chefscandm.com, ns500731.ns500671.ns500671.ns500742.ns500731.ns500671.ns500742.ns500731.ns500688.ns500705.ns500705.ns500688.tenderladiesbz.com and two others among them.

It is common for these mail servers to be used in conjunction with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and aspmx2.googlemail.com, plus three others.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 172.253.62.26 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 173.194.76.26 and 2a00:1450:400c:c00::1b.